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Finding the Fourth Proportional to 62,915, 94,387.08 and 21,362

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Solution

The fourth proportional to 62,915, 94,387.08 and 21,362 is: 32,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,915 : 94,387.08 = 21,362 : x
  2. Step 2: Convert to fraction form
    62,915/94,387.08 = 21,362/x
  3. Step 3: Cross multiply
    62,915x = 94,387.08 × 21,362
  4. Step 4: Simplify right side
    62,915x = 2,016,296,802.96
  5. Step 5: Solve for x
    x = 2,016,296,802.96/62,915
  6. Step 6: Final answer
    x = 32,047.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.